ASTM D7363

ASTM D7363 is the ASTM standard for determining parent and alkyl polycyclic aromatics in sediment pore water using solid-phase microextraction and gas chromatography/mass spectrometry in selected ion monitoring mode. It provides a structured analytical approach for measuring these compounds in a sensitive environmental matrix, helping users generate consistent data for monitoring and evaluation. As a technical reference, it supports laboratory work where reliable identification and measurement of aromatic compounds in pore water are needed.

Purpose of ASTM D7363

The purpose of ASTM D7363 is to define a standardized test method for analyzing parent and alkyl polycyclic aromatics in sediment pore water. By pairing solid-phase microextraction with GC/MS in selected ion monitoring mode, the method supports targeted chemical analysis with controlled conditions and repeatable results. This makes the standard useful for laboratories that need a recognized framework for sample handling, instrument-based measurement, and reporting. ASTM D7363 helps align testing practices so results are more consistent across projects and facilities.

Common use cases of ASTM D7363

This standard is commonly used in environmental testing workflows involving sediment pore water samples where parent and alkyl polycyclic aromatics need to be measured. It is relevant to laboratory programs that rely on solid-phase microextraction and gas chromatography/mass spectrometry for targeted compound analysis. ASTM D7363 may be used in monitoring, site assessment, or method-based data generation when a recognized ASTM procedure is preferred for analytical consistency and documentation.

Why ASTM D7363 matters

ASTM D7363 matters because standardized test methods support reliable, defensible analytical results. When laboratories follow the same ASTM standard, they can improve consistency in testing, comparison, and reporting of aromatic compounds in sediment pore water. This is important for quality control, compliance-related work, and procurement decisions where technical methods must be clearly defined. ASTM D7363 also helps reduce uncertainty by providing a common basis for instrument-based environmental analysis.

• Sediment pore water analysis
• Parent and alkyl polycyclic aromatics
• SPME sample preparation
• GC/MS selected ion monitoring
• Standardized environmental testing